US2736091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic lid lifter
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:45
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/30; B67B7/34; B67B7/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1262994A
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US2265491A
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US2385859A
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US2369300A
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US2437234A
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US2554628A
Cited
US2573427A
Cited
US2503467A
Cited
US2508305A
Cited
US2648127A
Cited
US2591155A
Cited
US2624110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |